The remote Ubuntu host is missing one or more security-related
patches.

Description :

Sumit Soni discovered that PostgreSQL incorrectly handled calling a
certain internal function with invalid arguments. An authenticated
attacker could use this issue to cause PostgreSQL to crash, resulting
in a denial of service.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected postgresql-8.3, postgresql-8.4 and / or
postgresql-9.1 packages.

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